.root {
  /* Empty state */
  [data-component="empty-state"] {
    padding: var(--space-20) var(--space-6);
    text-align: center;
    border: 1px dashed var(--color-border);
    border-radius: var(--border-radius-sm);

    p {
      font-size: var(--font-size-sm);
      color: var(--color-text-muted);
    }
  }

  /* Table container */
  [data-slot="usage-table"] {
    overflow-x: auto;
  }

  /* Table element */
  [data-slot="usage-table-element"] {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);

    thead {
      border-bottom: 1px solid var(--color-border);
    }

    th {
      padding: var(--space-3) var(--space-4);
      text-align: left;
      font-weight: normal;
      color: var(--color-text-muted);
      text-transform: uppercase;
    }

    td {
      padding: var(--space-3) var(--space-4);
      border-bottom: 1px solid var(--color-border-muted);
      color: var(--color-text-muted);
      font-family: var(--font-mono);

      &[data-slot="usage-date"] {
        color: var(--color-text);
      }

      &[data-slot="usage-model"] {
        font-family: var(--font-sans);
        color: var(--color-text-secondary);
        max-width: 200px;
        word-break: break-word;
      }

      &[data-slot="usage-cost"] {
        color: var(--color-text);
        font-weight: 500;
      }

      [data-slot="tokens-with-breakdown"] {
        position: relative;
        display: flex;
        align-items: center;
        gap: var(--space-2);
      }

      [data-slot="breakdown-button"] {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 0;
        background: transparent;
        border: none;
        color: var(--color-text-muted);
        cursor: pointer;
        transition: color 0.15s ease;

        &:hover {
          color: var(--color-text);
        }

        svg {
          width: 16px;
          height: 16px;
        }
      }

      [data-slot="breakdown-popup"] {
        position: absolute;
        left: 0;
        top: 100%;
        margin-top: var(--space-2);
        background: var(--color-bg);
        border: 1px solid var(--color-border);
        border-radius: var(--border-radius-sm);
        padding: var(--space-2);
        z-index: 10;
        min-width: 180px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        font-size: var(--font-size-xs);

        @media (prefers-color-scheme: dark) {
          box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }
      }
    }

    tbody tr:last-child td {
      border-bottom: none;
    }
  }

  /* Pagination */
  [data-slot="pagination"] {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-2);
    padding: var(--space-4) 0;
    border-top: 1px solid var(--color-border-muted);
    margin-top: var(--space-2);

    button {
      padding: var(--space-2) var(--space-4);
      background: var(--color-bg-secondary);
      border: 1px solid var(--color-border);
      border-radius: var(--border-radius-sm);
      color: var(--color-text);
      font-size: var(--font-size-sm);
      cursor: pointer;
      transition: all 0.15s ease;

      svg {
        width: 16px;
        height: 16px;
        stroke-width: 2;
      }

      &:hover:not(:disabled) {
        background: var(--color-bg-tertiary);
        border-color: var(--color-border-hover);
      }

      &:disabled {
        opacity: 0.5;
        cursor: not-allowed;
      }
    }
  }

  /* Mobile responsive */
  @media (max-width: 40rem) {
    [data-slot="usage-table-element"] {
      th,
      td {
        padding: var(--space-2) var(--space-3);
        font-size: var(--font-size-xs);
      }

      /* Hide Model column on mobile */
      th:nth-child(2),
      td:nth-child(2) {
        display: none;
      }
    }
  }

  /* Breakdown popup content */
  [data-slot="breakdown-row"] {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-1) 0;
  }

  [data-slot="breakdown-label"] {
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
  }

  [data-slot="breakdown-value"] {
    color: var(--color-text);
    font-weight: 500;
    font-size: var(--font-size-xs);
  }
}
